380 V Low Voltage Variable Frequency Sensorless Vector Drive V / f control for motor

Project

Specifications

Power input

Rated input voltage (V)

3-phase 380 V (-15%+30%)

Rated input current (A)

See table 2-1

Rated input frequency(Hz)

50Hz/60Hz,tolerance±5%

Power output

Applicable motor(kW)

See table 2-1

Rated output current(A)

See table 2-1

The maximum output voltage(V)

0rated input voltage, error<±3%

The maximum output frequency(Hz)

0.00600.00 Hz,unit0.01Hz

Control

characteristics

V/f patterns

V/f control

Sensor-less vector control 1

Sensor-less vector control 2

Speed range

1:50 (V/f control)

1:100 (sensor-less vector control 1)

1:200(sensor-less vector control 2)

Speed accuracy

±0.5% (V/f control)

±0.2% (sensor-less vector control 1 & 2)

Speed fluctuation

±0.3% (sensor-less vector control 1 & 2)

Torque response

< 10ms (sensor-less vector control 1 & 2)

Starting torque

0.5Hz: 180% (V/f control, sensor-less vector control 1)

0.25Hz: 180% (sensor-less vector control 2)